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Author Topic: Cinema sound processor by Rank ? Lionel Fouillen Expert Film Handler Posts: 230 From: Belgium Registered: Nov 2002 posted 11-15-2007 12:58 PM                     About fifteen years ago I spoke to the projectionist of a local multiplex and he was telling me that, a few years earlier, before the THX Dolby installation, the largest auditorium had Dolby by Rank. I vaguely remembered the old surround speakers on the side walls. Today I wondered exactly what that was. Was it just a processor made by Rank, that would allow to decode and playback the Dolby Stereo SVA soundtracks ? I searched Google but found nothing...  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 11-15-2007 01:08 PM                     Rank had two processors that I know of One was made by a projectionist in the UK I believe and had vertical cards The other was made in Spain and had 2 horizontal cards and no controls on the front panel but a remote much like the CP200 style The noise reduction was a patented downward expansion system that used a non linear compressor into a linear expander to produce a low level slope It was also a 2 band system Also the surround channel had a digital delay but did not have any phase shifting or gain riding logic and was just a left -right and the center was just a sum The chassis was a 2 rack unit high with a hinge down front Rumour was that it became the basis of the Smart Mod3 To my knowledge there are no schematics for either version and I would like to find any if they exist as several did get exported to Canada  |  IP: Logged

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